1 files changed, 4 insertions, 4 deletions
diff --git a/src/gc.cpp b/src/gc.cpp
index 59036df..d07367d 100644
--- a/src/gc.cpp
+++ b/src/gc.cpp
@@ -66,8 +66,8 @@ mark(const Object* obj)
 	if (obj->tag() != T_UNKNOWN) {
 		const ATuple* tup = ((const AST*)obj)->to_tuple();
 		if (tup)
-			FOREACHP(ATuple::const_iterator, i, tup)
-				mark(*i);
+			for (const auto& i : *tup)
+				mark(i);
 	}
 }
 
@@ -76,8 +76,8 @@ GC::collect(const Roots& roots)
 {
 	//const size_t oldSize = _heap.size();
 
-	for (Roots::const_iterator i = roots.begin(); i != roots.end(); ++i)
-		mark(*i);
+	for (auto r : roots)
+		mark(r);
 
 	for (Heap::iterator i = _heap.begin(); i != _heap.end();) {
 		Heap::iterator next = i;